package com.wb.service;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLDecoder;

public class PathUtil {
//    public static void main(String[] args) {
//        PathUtil myLocalDemo = new PathUtil();
//        System.out.println("path=="+myLocalDemo.getWebInfPath());
//    }

    private String getWebInfPath(){
        URL url = getClass().getProtectionDomain().getCodeSource().getLocation();
        String path = url.toString();
        int index = path.indexOf("WEB-INF");

        if(index == -1){
            index = path.indexOf("classes");
        }

        if(index == -1){
            index = path.indexOf("bin");
        }

        path = path.substring(0, index);

        if(path.startsWith("zip")){//当class文件在war中时，此时返回zip:D:/...这样的路径
            path = path.substring(4);
        }else if(path.startsWith("file")){//当class文件在class文件中时，此时返回file:/D:/...这样的路径
            path = path.substring(6);
        }else if(path.startsWith("jar")){//当class文件在jar文件里面时，此时返回jar:file:/D:/...这样的路径
            path = path.substring(10);
        }
        try {
            path =  URLDecoder.decode(path, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

        return path;
    }
}
